mixture of several fractions of crude oil, plus various additives.
Yes, usually -- the density and chemical composition of petrol is consistent throughout the mixture, which means it's homogeneous. If you saw scum, a precipitate, or a second liquid phase (e.g. water) in the petrol, then it would be heterogeneous.
Yes
yes, it is a mixture, because it is a mixture of a few different hydrocarbons
Petrol, or gasoline, is a mixture. This vehicle fuel is composed of a number of different hydrocarbons that were derived from petroleum.
It is a mixture.
Petrol contain a high number of components.
No, it is a mixture; rarely a drug is a pure substance.
pure substance?
it is a mixture..homogenous and a colloid one....
mixture
After fractional distillation petrol is not a mixture.
big boom, that what happen
An element - substance - NOT a mixture.
Petrol contain a high number of components.
a mixture is not a substance
a mixture is not a substance
homogeneous...
Petrol is a homogeneous mixture of various hydrocarbons (mostly octane, C8H18.)
No, it is a mixture; rarely a drug is a pure substance.
sperm is a substance. Semen is a mixture.
a mixture
pure substance?